PlainPatent

CPC technology class · B25

B25B - Tools OR Bench Devices

Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging or holding. 6,226 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6,226
US patents granted
B25
Parent CPC class
20
Active assignees
+50%
5-yr velocity

The verdict

Tools OR Bench Devices ranks #230 of 670 CPC technology areas - 6,226 US patents granted since 2015, with filing up 50% over five years.

#230
of 670 CPC technology areas
6,226
US patents granted, 2015–2025
Milwaukee Electric To…
leading assignee (293)
+50%
filing velocity, last 5 yrs
Top assignee: Milwaukee Electric Tool Corporation (293 patents)

CPC subclass B25B - TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING - covers 6,226 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B25 (HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS). See our CPC classification guide for how the system works.

The competitive landscape in B25B is shaped by 20 distinct companies actively filing in this space. Milwaukee Electric Tool Corporation leads with 293 patents, followed by Makita Corporation at 153 grants and Snap-on Incorporated at 120.

Filing activity in B25B is up 50% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is B25B innovation accelerating?

US utility-patent grants per year in B25B, 2015–2025 - recent five years are up 50% versus 2015–2019.

400500600700 20152016201720182019202020212022202320242025 465

Who leads B25B?

The 12 most active assignees in TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING - wider bars mean more grants

patents

What this shows Milwaukee Electric To… is the most active filer in B25B, holding 293 of the 6,226 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass B25B
Rank Company Patents in B25B
#1 Milwaukee Electric Tool Corporation 293
#2 Makita Corporation 153
#3 Snap-on Incorporated 120
#4 Black & Decker Inc. 119
#5 KABO TOOL Company 87
#6 Atlas Copco Industrial Technique AB 83
#7 Apex Brands, Inc. 59
#8 ECA Medical Instruments 49
#9 Hangzhou Great Star Industrial Co., Ltd. 40
#10 Max Co., Ltd. 39
#11 Hilti Aktiengesellschaft 36
#12 Temper Axle Products Corporation 36
#13 Hubbell Incorporated 35
#14 Depuy Synthes Products, Inc. 34
#15 Ingersoll-rand Industrial U.s., Inc. 34
#16 Ingersoll-rand Company 33
#17 HONG ANN TOOL Industries Co., Ltd. 33
#18 Nanjing Chervon Industry Co., Ltd. 31
#19 SMC Corporation 30
#20 Hangzhou Great STAR Tools Co., Ltd. 29

About This Class

CPC subclass B25B belongs to class B25.

6,226 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading B25B assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 B25B assignees by class footprint. Bubble size = patents in B25B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B25B assignees by class footprint. Bubble size = patents in B25B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 681012141618 0100200300400 Patents in B25B Avg claims / patent (company-wide) Milwaukee Electric To…MakitaSnap-on IncorporatedBlack & DeckerKabo ToolAtlas Copco Industria…Apex BrandsEca Medical Instrumen…Hangzhou Great Star I…MaxHilti Aktiengesellsch…Temper Axle ProductsHubbell IncorporatedDepuy Synthes Products
Top 14 B25B assignees by class footprint. Bubble size = patents in B25B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B25B?
CPC subclass B25B covers TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING. It belongs to CPC class B25 (HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS), with 6,226 US utility patents granted since 2015.
How many patents have been filed in B25B?
6,226 US utility patents were granted in CPC subclass B25B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B25B?
Milwaukee Electric Tool Corporation leads B25B with 293 patents, making it the most active assignee in this technology area.
How is patent data for B25B collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., B25) is a broad technology category. Subclasses like B25B provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.